If you redesign one of the most popular socks in the line you better come correct. Increased breathability with mesh panels on top of the foot, a  smooth ribbing upper that stays put forever, and extended cushion over the Achilles - just a few heavy additions to one of the lightest hike socks out there. Light Hiker socks have cushioning underfoot, atop the ankle, and up the Achilles to keep feet comfortable A performance fit means no slipping, no bunching, no blisters for peak hiking comfort Merino Wool is at home on the trail, naturally moving moisture to keep feet fresh and dry in all weather Materials 54% nylon, 43% merino wool, 3% lycra spandex